Shoichi Nishiwaki

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Sanda, JP

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Patents Grantslast 30 patents

Information Patent Grant
Spiral wound gasket
- Patent number 5,308,090
- Issue date May 3, 1994
- Nippon Pillar Packing Co., Ltd.
- Eiichi Hamada
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...